You turn on your computer one day and Windows refuses to boot - what are you doing? Following the steps in this article should fix most Windows 10 startup problems - at least the ones that are actually fixable.

Modern versions of Windows are better at dealing with such problems. Where Windows XP may have stopped working, modern versions of Windows will try to run Startup Repair automatically. But many of the start issues that the computer itself can't resolve.

Luckily, you can take some steps and measures to fix the Windows 10 laptop/computer won’t turn on or won’t boot issue, and easily recover the possible lost data and files from your Asus/HP/Acer/Dell/Lenovo laptop or any other computers with MiniTool Power Data Recovery.

This post introduces 10 ways to help you fix Windows 10 computer/laptop won’t boot/start up problem to get your laptop running again.

Continue to check the possible problems and troubleshooting tips of “My laptop/computer won’t turn on” issue. These ways can be applied to “Acer laptop won’t turn on”, “HP/Dell laptop not starting”, etc.

How to Fix a Laptop That Won’t Turn On?
#1 Check the Power Supply, Laptop Charger and Battery
If your Windows 10 laptop can’t turn on at all, and there are no lights on computer, it probably has a power/charger/battery issue.

#2 Disconnect All External Devices, Unplug All USB Devices
Sometimes your Windows 10 laptop/computer won’t boot problem may be caused by the conflict with a USB device.

You can disconnect all external devices and USB devices like mouse, keyboard, printer, digital camera, USB flash drive, external hard drive, game consoles, etc. so as to make sure that they are not to blame for preventing your laptop from booting smoothly. Then restart your Windows 10 laptop to see if it can turn on.

#3 Inspect Your Asus/HP/Acer/Dell/Lenovo Laptop Monitor
“My laptop won’t turn on but has power, what’s the problem?”

If the computer has power but won’t turn on, you can check your laptop monitor first. Sometimes an inferior inverter can cause the problem of the display. You may change the inverter to see if the problem can be fixed.

For more solutions to fix the computer has power but won’t turn on, has no image on the screen or the screen is black when turning on, you can check this post: 8 Solutions to Fix PC Turns On but No Display.

If none of the basic troubleshooting tips works, and your laptop won’t turn on but the power light is on, you can further check the advanced measures below to fix Windows 10 computer won’t turn on issue.

Quickly Access Data and Files When Computer Won’t Turn on
If you have some important files that need to access or use right now, you can use the easiest way below to quickly access your laptop data and copy them to a USB drive or external hard drive.

Besides, before you try the advanced troubleshooting ways like reinstalling Windows 10 to fix the “My laptop won’t turn on” issue, it’s suggested you recover and backup important files and data in your Asus/HP/Acer/Dell/Lenovo laptop first.

MiniTool Power Data Recovery can create a bootable media to allow you successfully boot your Windows 10 laptop/desktop/tablet, and help you scan and recover data from your computer hard drive when you are facing “My laptop won’t turn on” issue.

Moreover, this best free file undelete software for Windows 10/8/7 also allows you to recover deleted/lost files from external hard drive, SSD, USB flash drive, SD card and almost any storage device with no hassle.

#4 Try to Start Windows 10 Laptop/Computer in Safe Mode
The Windows 10 boot failure or startup problems could be the result of an installed poor application, driver issue, virus infection or some other hardware problems.

If your Windows 10 laptop won’t turn on, or begins to load but stops on a BSOD (Blue Screen of Death), you can try to start Windows 10 in safe mode. This will only load the Windows 10 system with the most essential drivers and services.

If your Windows 10 laptop can successfully enter into safe mode, then you can uninstall recently installed suspicious applications, hardware drivers, Windows updates, and run a malware/virus scan in safe mode.

#5 Fix Windows 10 Laptop Won’t Boot with Startup Repair
When you are facing the problem: computer won’t boot Windows 10, normally you can try Startup Repair feature in Windows 10 to see if it can fix the computer won’t turn on issue.

Step 1. Boot into Recovery Environment Screen

You can follow the same two methods in method 4 to enter into Windows 10 recovery environment, and click Advanced options in Automatic Repair screen.

Step 2. Run Windows 10 Startup Repair

Then you can click Troubleshoot -> Advanced options. And click Startup Repair option to utilize Windows built-in Startup Repair feature to fix problems that keep your Windows 10 laptop from loading.

#6 Fix My Laptop Won’t Turn on with System Restore
If Windows 10 Startup Repair is not working in fixing laptop won’t turn on error, you may perform a system restore to make your Windows 10 laptop go back to a previous normal-working state, so as to fix the boot issues that are caused by changes you made.

#7 Fix Laptop Won’t Boot with MiniTool Partition Wizard Rebuild MBR Function
MBR (Master Boot Record) is the crucial part in hard disk which plays a key role in booting Windows system. If MBR is corrupted, then your computer won’t start.

The easiest way to fix MBR on Windows 10 for free is to use MiniTool Partition Wizard to rebuild MBR for the computer hard drive.

MiniTool Partition Wizard also enables you to create a bootable disk/drive to allow you to boot your Windows 10 computer and provides a Copy Disk/Partition function to let you copy all data in the target disk/partition to another storage device. This can keep your laptop data safe even if it can’t start up.

#8 Fix Windows 10 Won’t Start Up with BootRec Commands
Another way to fix the computer boot error is to use the Command Prompt. To do this, you also need to enter into Windows Recovery Environment to access the Advanced options window.

You can follow the 2 ways in method 4 of this post to enter into WinRE. If restart Windows 10 three times won’t work, then you should prepare a Windows 10 installation media like the installation disc or bootable USB flash drive to boot your computer from the disc or USB drive.

#9 Check and Repair Computer Hard Drive Corruption
To check if the hard drive errors are the reason for computer/laptop won’t turn on, you have some ways to check and repair hard disk drive errors.

Use CHKDSK and SFC Scannow Command

By following the guide in #8 method to boot your Windows 10 laptop into Command Prompt window.
Run Windows CHKDSK utility to check and fix disk errors. You can type this command: chkdsk *: /f /r, and hit Enter. Replace “*” with the target computer drive letter.
Or you can type sfc /scannow command and hit Enter to scan and fix computer system errors.
#10 Reinstall Windows 10 and Recover Data from Laptop Hard Drive
If you still don’t succeed and your Windows 10 Asus/HP/Acer/Dell/Lenovo laptop still can’t turn on, then you have the last way to try before you take it to the laptop repair shop: reinstall your Windows 10 computer.

Generally reinstalling Windows 10 computer will delete all existing data on your computer hard drive. You have use the ways below to prevent data loss and get back lost data.

In Conclusion
If you have encountered Windows 10 computer won't boot. Firstly consider the changes you've made recently - have you recently installed a new hardware driver, connected a new hardware component to your PC, or will you open your PC case and do something? It is possible that the hardware driver is buggy, the new hardware is incompatible, or you accidentally disconnected something while working inside your computer.

And to follow the steps mentioned should fix most Windows 10 computer startup problems.

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